There are a variety of methods that can be used to extract rock-properties information from seismic data. Three of the methods that can be used, include;
1. AVO analysis, followed by post-stack inversion of the AVO attributes (Goodway, et al.)
2. Prestack inversion of the P-wave data directly to impedance (Hampson et al.)
3. Joint prestack inversion of the P-wave data and converted wave data directly to impedance (Hampson et al.)
After each of these inversions has completed, one of a variety of rock properties can be calculated. This paper compares the results of estimating V p /V s using each of the above mentioned techniques.
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